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Finding the Fourth Proportional to 293,552.94, 405,104.68 and 172,698.78

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Solution

The fourth proportional to 293,552.94, 405,104.68 and 172,698.78 is: 238,325.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,552.94 : 405,104.68 = 172,698.78 : x
  2. Step 2: Convert to fraction form
    293,552.94/405,104.68 = 172,698.78/x
  3. Step 3: Cross multiply
    293,552.94x = 405,104.68 × 172,698.78
  4. Step 4: Simplify right side
    293,552.94x = 69,961,084,008.29
  5. Step 5: Solve for x
    x = 69,961,084,008.29/293,552.94
  6. Step 6: Final answer
    x = 238,325.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.